daqboard2000.c: fixed checkpatch errors and curly brace issues.
Signed-off-by: Ramesh Raj <ramesh.v.raj@xxxxxxxxx>
---
drivers/staging/comedi/drivers/daqboard2000.c | 144 +++++++++++++------------
1 files changed, 74 insertions(+), 70 deletions(-)
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c
index 82be77d..4311b83 100644
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -51,11 +51,10 @@ Configuration options:
for the card, and here are the findings so far.
1. A good document that describes the PCI interface chip is 9080db-106.pdf
- available from http://www.plxtech.com/products/io/pci9080
+ available from http://www.plxtech.com/products/io/pci9080
2. The initialization done so far is:
- a. program the FPGA (windows code sans a lot of error messages)
- b.
+ a. program the FPGA (windows code sans a lot of error messages)
3. Analog out seems to work OK with DAC's disabled, if DAC's are enabled,
you have to output values to all enabled DAC's until result appears, I
@@ -63,52 +62,52 @@ Configuration options:
gives me no clues. I'll keep it simple so far.
4. Analog in.
- Each channel in the scanlist seems to be controlled by four
+ Each channel in the scanlist seems to be controlled by four
control words:
- Word0:
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! | | | ! | | | ! | | | ! | | | !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ Word0:
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! | | | ! | | | ! | | | ! | | | !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- Word1:
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! | | | ! | | | ! | | | ! | | | !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ Word1:
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! | | | ! | | | ! | | | ! | | | !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | | | | | |
- +------+------+ | | | | +-- Digital input (??)
+ +------+------+ | | | | +-- Digital input (??)
| | | | +---- 10 us settling time
| | | +------ Suspend acquisition (last to scan)
| | +-------- Simultaneous sample and hold
| +---------- Signed data format
+------------------------- Correction offset low
- Word2:
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! | | | ! | | | ! | | | ! | | | !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | | | | | | | | | |
- +-----+ +--+--+ +++ +++ +--+--+
- | | | | +----- Expansion channel
+ Word2:
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! | | | ! | | | ! | | | ! | | | !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | | | | | | | | | |
+ +-----+ +--+--+ +++ +++ +--+--+
+ | | | | +----- Expansion channel
| | | +----------- Expansion gain
- | | +--------------- Channel (low)
+ | | +--------------- Channel (low)
| +--------------------- Correction offset high
+----------------------------- Correction gain low
- Word3:
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- ! | | | ! | | | ! | | | ! | | | !
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | | | | | | | | |
- +------+------+ | | +-+-+ | | +-- Low bank enable
- | | | | | +---- High bank enable
- | | | | +------ Hi/low select
- | | | +---------- Gain (1,?,2,4,8,16,32,64)
- | | +-------------- differential/single ended
- | +---------------- Unipolar
+ Word3:
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ ! | | | ! | | | ! | | | ! | | | !
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | | | | | | | | |
+ +------+------+ | | +-+-+ | | +-- Low bank enable
+ | | | | | +---- High bank enable
+ | | | | +------ Hi/low select
+ | | | +---------- Gain (1,?,2,4,8,16,32,64)
+ | | +-------------- differential/single ended
+ | +---------------- Unipolar
+------------------------- Correction gain high
999. The card seems to have an incredible amount of capabilities, but
- trying to reverse engineer them from the Windows source is beyond my
+ trying to reverse engineer them from the Windows source is beyond my
patience.
*/
@@ -121,11 +120,11 @@ Configuration options:
#include "comedi_pci.h"
#include "8255.h"
-#define DAQBOARD2000_SUBSYSTEM_IDS2 0x00021616 /* Daqboard/2000 - 2 Dacs */
-#define DAQBOARD2000_SUBSYSTEM_IDS4 0x00041616 /* Daqboard/2000 - 4 Dacs */
+#define DAQBOARD2000_SUBSYSTEM_IDS2 0x00021616 /* Daqboard/2000 - 2 Dacs */
+#define DAQBOARD2000_SUBSYSTEM_IDS4 0x00041616 /* Daqboard/2000 - 4 Dacs */
-#define DAQBOARD2000_DAQ_SIZE 0x1002
-#define DAQBOARD2000_PLX_SIZE 0x100
+#define DAQBOARD2000_DAQ_SIZE 0x1002
+#define DAQBOARD2000_PLX_SIZE 0x100
/* Initialization bits for the Serial EEPROM Control Register */
#define DAQBOARD2000_SECRProgPinHi 0x8001767e
@@ -136,11 +135,11 @@ Configuration options:
#define DAQBOARD2000_SECRReloadLo 0x8000767e
/* SECR status bits */
-#define DAQBOARD2000_EEPROM_PRESENT 0x10000000
+#define DAQBOARD2000_EEPROM_PRESENT 0x10000000
/* CPLD status bits */
-#define DAQBOARD2000_CPLD_INIT 0x0002
-#define DAQBOARD2000_CPLD_DONE 0x0004
+#define DAQBOARD2000_CPLD_INIT 0x0002
+#define DAQBOARD2000_CPLD_DONE 0x0004
/* Available ranges */
static const struct comedi_lrange range_daqboard2000_ai = { 13, {
@@ -415,7 +414,7 @@ static int daqboard2000_ai_insn_read(struct comedi_device *dev,
/* If pacer clock is not set to some high value (> 10 us), we
risk multiple samples to be put into the result FIFO. */
- fpga->acqPacerClockDivLow = 1000000; /* 1 second, should be long enough */
+ fpga->acqPacerClockDivLow = 1000000;/* 1 second, should be long enough*/
fpga->acqPacerClockDivHigh = 0;
gain = CR_RANGE(insn->chanspec);
@@ -430,16 +429,16 @@ static int daqboard2000_ai_insn_read(struct comedi_device *dev,
/* Enable reading from the scanlist FIFO */
fpga->acqControl = DAQBOARD2000_SeqStartScanList;
for (timeout = 0; timeout < 20; timeout++) {
- if (fpga->acqControl & DAQBOARD2000_AcqConfigPipeFull) {
+ if (fpga->acqControl & DAQBOARD2000_AcqConfigPipeFull)
break;
- }
+
/* udelay(2); */
}
fpga->acqControl = DAQBOARD2000_AdcPacerEnable;
for (timeout = 0; timeout < 20; timeout++) {
- if (fpga->acqControl & DAQBOARD2000_AcqLogicScanning) {
+ if (fpga->acqControl & DAQBOARD2000_AcqLogicScanning)
break;
- }
+
/* udelay(2); */
}
for (timeout = 0; timeout < 20; timeout++) {
@@ -465,9 +464,8 @@ static int daqboard2000_ao_insn_read(struct comedi_device *dev,
int i;
int chan = CR_CHAN(insn->chanspec);
- for (i = 0; i < insn->n; i++) {
+ for (i = 0; i < insn->n; i++)
data[i] = devpriv->ao_readback[chan];
- }
return i;
}
@@ -487,18 +485,22 @@ static int daqboard2000_ao_insn_write(struct comedi_device *dev,
* OK, since it works OK without enabling the DAC's, let's keep
* it as simple as possible...
*/
- /* fpga->dacControl = (chan + 2) * 0x0010 | 0x0001; udelay(1000); */
+
+ /* fpga->dacControl = (chan + 2) * 0x0010 | 0x0001;
+ * udelay(1000);
+ */
fpga->dacSetting[chan] = data[i];
for (timeout = 0; timeout < 20; timeout++) {
- if ((fpga->dacControl & ((chan + 1) * 0x0010)) == 0) {
+ if ((fpga->dacControl & ((chan + 1) * 0x0010)) == 0)
break;
- }
+
/* udelay(2); */
}
devpriv->ao_readback[chan] = data[i];
/*
- * Since we never enabled the DAC's, we don't need to disable it...
- * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000; udelay(1000);
+ * Since we never enabled the DAC's, we don't need to disable it
+ * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000;
+ * udelay(1000);
*/
}
@@ -531,7 +533,7 @@ static void daqboard2000_pulseProgPin(struct comedi_device *dev)
writel(DAQBOARD2000_SECRProgPinHi, devpriv->plx + 0x6c);
udelay(10000);
writel(DAQBOARD2000_SECRProgPinLo, devpriv->plx + 0x6c);
- udelay(10000); /* Not in the original code, but I like symmetry... */
+ udelay(10000); /* Not in the original code, but I like symmetry... */
}
static int daqboard2000_pollCPLD(struct comedi_device *dev, int mask)
@@ -605,9 +607,8 @@ static int initialize_daqboard2000(struct comedi_device *dev,
for (; i < len; i += 2) {
int data =
(cpld_array[i] << 8) + cpld_array[i + 1];
- if (!daqboard2000_writeCPLD(dev, data)) {
+ if (!daqboard2000_writeCPLD(dev, data))
break;
- }
}
if (i >= len) {
#ifdef DEBUG_EEPROM
@@ -658,9 +659,9 @@ static void daqboard2000_activateReferenceDacs(struct comedi_device *dev)
/* Set the + reference dac value in the FPGA */
fpga->refDacs = 0x80 | DAQBOARD2000_PosRefDacSelect;
for (timeout = 0; timeout < 20; timeout++) {
- if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
+ if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0)
break;
- }
+
udelay(2);
}
/* printk("DAQBOARD2000_PosRefDacSelect %d\n", timeout);*/
@@ -668,9 +669,9 @@ static void daqboard2000_activateReferenceDacs(struct comedi_device *dev)
/* Set the - reference dac value in the FPGA */
fpga->refDacs = 0x80 | DAQBOARD2000_NegRefDacSelect;
for (timeout = 0; timeout < 20; timeout++) {
- if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
+ if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0)
break;
- }
+
udelay(2);
}
/* printk("DAQBOARD2000_NegRefDacSelect %d\n", timeout);*/
@@ -707,7 +708,11 @@ static void daqboard2000_initializeDac(struct comedi_device *dev)
/*
The test command, REMOVE!!:
-rmmod daqboard2000 ; rmmod comedi; make install ; modprobe daqboard2000; /usr/sbin/comedi_config /dev/comedi0 daqboard/2000 ; tail -40 /var/log/messages
+rmmod daqboard2000;
+* rmmod comedi; make install ;
+* modprobe daqboard2000;
+* /usr/sbin/comedi_config /dev/comedi0 daqboard/2000 ;
+* tail -40 /var/log/messages
*/
static int daqboard2000_8255_cb(int dir, int port, int data,
@@ -722,7 +727,7 @@ static int daqboard2000_8255_cb(int dir, int port, int data,
}
/*
printk("daqboard2000_8255_cb %x %d %d %2.2x -> %2.2x\n",
- arg, dir, port, data, result);
+ arg, dir, port, data, result);
*/
return result;
}
@@ -743,9 +748,9 @@ static int daqboard2000_attach(struct comedi_device *dev,
slot = it->options[1];
result = alloc_private(dev, sizeof(struct daqboard2000_private));
- if (result < 0) {
+ if (result < 0)
return -ENOMEM;
- }
+
for (card = pci_get_device(0x1616, 0x0409, NULL);
card != NULL; card = pci_get_device(0x1616, 0x0409, card)) {
if (bus || slot) {
@@ -778,7 +783,7 @@ static int daqboard2000_attach(struct comedi_device *dev,
}
if (!dev->board_ptr) {
printk
- (" unknown subsystem id %08x (pretend it is an ids2)",
+ ("unknown subsystem id %08x (pretend it is an ids2)",
id);
dev->board_ptr = boardtypes;
}
@@ -794,9 +799,8 @@ static int daqboard2000_attach(struct comedi_device *dev,
ioremap(pci_resource_start(card, 0), DAQBOARD2000_PLX_SIZE);
devpriv->daq =
ioremap(pci_resource_start(card, 2), DAQBOARD2000_DAQ_SIZE);
- if (!devpriv->plx || !devpriv->daq) {
+ if (!devpriv->plx || !devpriv->daq)
return -ENOMEM;
- }
result = alloc_subdevices(dev, 3);
if (result < 0)
@@ -869,18 +873,18 @@ static int daqboard2000_detach(struct comedi_device *dev)
if (dev->subdevices)
subdev_8255_cleanup(dev, dev->subdevices + 2);
- if (dev->irq) {
+ if (dev->irq)
free_irq(dev->irq, dev);
- }
+
if (devpriv) {
if (devpriv->daq)
iounmap(devpriv->daq);
if (devpriv->plx)
iounmap(devpriv->plx);
if (devpriv->pci_dev) {
- if (devpriv->got_regions) {
+ if (devpriv->got_regions)
comedi_pci_disable(devpriv->pci_dev);
- }
+
pci_dev_put(devpriv->pci_dev);
}
}
--
1.7.6.1
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